diff -r d1e482f73507 -r 3bd43aa6f08d javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/ConvertTypes.java
--- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/ConvertTypes.java	Sun Apr 07 17:42:50 2013 +0200
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/ConvertTypes.java	Mon Apr 08 12:12:42 2013 +0200
@@ -89,9 +89,10 @@
         + "};"
         + "request.send();"
     )
-    public static native void loadJSON(
+    public static void loadJSON(
         String url, Object[] jsonResult, Runnable whenDone
-    );
+    ) {
+    }
     
     public static void extractJSON(Object jsonObject, String[] props, Object[] values) {
         for (int i = 0; i < props.length; i++) {